Part number AP391T-06 appears under 3 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

5310-01-077-6814 — NUT,PLAIN,HEXAGON · FSC 5310
1680-01-476-4649 — NUT,1,PLAIN,HEX,AIR · FSC 1680
4730-01-393-9845 — LOCKNUT,TUBE FITTING · FSC 4730